Minor cleanup on warped precision bits macros

Change-Id: If54cb2a96b02f29ba9c2cc6046189c925586e972

av1/common/warped_motion.c

@@ -335,7 +335,7 @@ static const int16_t
       { 1, -4, 13, 124, -7, 1 },   { 1, -4, 11, 125, -6, 1 },
       { 1, -3, 8, 126, -5, 1 },    { 1, -2, 6, 126, -4, 1 },
       { 0, -1, 4, 127, -3, 1 },    { 0, -1, 2, 128, -1, 0 },
-#else
+#elif WARPEDPIXEL_PREC_BITS == 5
       { 0, 0, 128, 0, 0, 0 },      { 1, -3, 127, 4, -1, 0 },
       { 1, -5, 126, 8, -3, 1 },    { 1, -7, 124, 13, -4, 1 },
       { 2, -9, 122, 18, -6, 1 },   { 2, -11, 120, 22, -7, 2 },
@@ -603,7 +603,7 @@ const int16_t warped_filter[WARPEDPIXEL_PREC_SHIFTS * 3 + 1][8] = {
   { 0, 0, 1, - 3,   8, 126, - 5, 1 }, { 0, 0, 1, - 2,   6, 126, - 4, 1 },
   { 0, 0, 0, - 1,   4, 127, - 3, 1 }, { 0, 0, 0,   0,   2, 127, - 1, 0 },
 
-#else
+#elif WARPEDPIXEL_PREC_BITS == 5
   // [-1, 0)
   {0,   0, 127,   1,   0, 0, 0, 0}, {1,  -3, 127,   4,  -1, 0, 0, 0},
   {1,  -5, 126,   8,  -3, 1, 0, 0}, {1,  -7, 124,  13,  -4, 1, 0, 0},